package/network/config/netifd/files/lib/netifd/proto/dhcp.sh

   1 #!/bin/sh
   2
   3 . /lib/functions.sh
   4 . ../netifd-proto.sh
   5 init_proto "$@"
   6
   7 proto_dhcp_init_config() {
   8         proto_config_add_string "ipaddr"
   9         proto_config_add_string "netmask"
  10         proto_config_add_string "hostname"
  11         proto_config_add_string "clientid"
  12         proto_config_add_string "vendorid"
  13         proto_config_add_boolean "broadcast"
  14         proto_config_add_string "reqopts"
  15         proto_config_add_string "iface6rd"
  16         proto_config_add_string "customopts"
  17 }
  18
  19 proto_dhcp_setup() {
  20         local config="$1"
  21         local iface="$2"
  22
  23         local ipaddr hostname clientid vendorid broadcast reqopts iface6rd customopts
  24         json_get_vars ipaddr hostname clientid vendorid broadcast reqopts iface6rd customopts
  25
  26         local opt dhcpopts
  27         for opt in $reqopts; do
  28                 append dhcpopts "-O $opt"
  29         done
  30
  31         for opt in $customopts; do
  32                 append dhcpopts "-x $opt"
  33         done
  34
  35         [ "$broadcast" = 1 ] && broadcast="-B" || broadcast=
  36         [ -n "$clientid" ] && clientid="-x 0x3d:${clientid//:/}" || clientid="-C"
  37         [ -n "$iface6rd" ] && proto_export "IFACE6RD=$iface6rd"
  38
  39         proto_export "INTERFACE=$config"
  40         proto_run_command "$config" udhcpc \
  41                 -p /var/run/udhcpc-$iface.pid \
  42                 -s /lib/netifd/dhcp.script \
  43                 -f -t 0 -i "$iface" \
  44                 ${ipaddr:+-r $ipaddr} \
  45                 ${hostname:+-H $hostname} \
  46                 ${vendorid:+-V $vendorid} \
  47                 $clientid $broadcast $dhcpopts
  48 }
  49
  50 proto_dhcp_teardown() {
  51         local interface="$1"
  52         proto_kill_command "$interface"
  53 }
  54
  55 add_protocol dhcp
  56